Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 157 insertions, 0 deletions

diff --git a/vcl/osx/DropTarget.hxx b/vcl/osx/DropTarget.hxx
new file mode 100644
index 000000000..aafb64495
--- /dev/null
+++ b/vcl/osx/DropTarget.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_VCL_OSX_DROPTARGET_HXX
+#define INCLUDED_VCL_OSX_DROPTARGET_HXX
+
+#include "DataFlavorMapping.hxx"
+#include <cppuhelper/compbase.hxx>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
+
+#include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
+#include <com/sun/star/datatransfer/dnd/DropTargetDragEnterEvent.hpp>
+#include <com/sun/star/datatransfer/dnd/XDropTargetDragContext.hpp>
+#include <com/sun/star/datatransfer/dnd/XDropTargetDropContext.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <cppuhelper/basemutex.hxx>
+#include <com/sun/star/lang/XMultiComponentFactory.hpp>
+
+#include <premac.h>
+#import <Cocoa/Cocoa.h>
+#include <postmac.h>
+
+class DropTarget;
+class AquaSalFrame;
+
+/* The functions declared in this protocol are actually
+   declared in vcl/inc/osx/salframe.h. Because we want
+   to avoid importing VCL headers in UNO services and
+   on the other hand want to avoid warnings caused by
+   gcc complaining about unknowness of these functions
+   we declare them in a protocol here and cast at the
+   appropriate places.
+*/
+@protocol DraggingDestinationHandler
+-(void)registerDraggingDestinationHandler:(id)theHandler;
+-(void)unregisterDraggingDestinationHandler:(id)theHandler;
+@end
+
+@interface DropTargetHelper : NSObject
+{
+  DropTarget* mDropTarget;
+}
+
+-(DropTargetHelper*)initWithDropTarget:(DropTarget*)pdt;
+
+-(NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender;
+-(NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender;
+-(void)draggingExited:(id <NSDraggingInfo>)sender;
+-(BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender;
+-(BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
+-(void)concludeDragOperation:(id <NSDraggingInfo>)sender;
+
+@end
+
+class DropTarget: public cppu::BaseMutex,
+                  public cppu::WeakComponentImplHelper< css::lang::XInitialization,
+                                                         css::datatransfer::dnd::XDropTarget,
+                                                         css::datatransfer::dnd::XDropTargetDragContext,
+                                                         css::datatransfer::dnd::XDropTargetDropContext,
+                                                         css::lang::XServiceInfo >
+{
+public:
+  DropTarget();
+  virtual ~DropTarget() override;
+  DropTarget(const DropTarget&) = delete;
+  DropTarget& operator=(const DropTarget&) = delete;
+
+  // Overrides WeakComponentImplHelper::disposing which is called by
+  // WeakComponentImplHelper::dispose
+  // Must be called.
+  virtual void SAL_CALL disposing() override;
+
+  // XInitialization
+  virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
+
+  // XDropTarget
+  virtual void SAL_CALL addDropTargetListener( const css::uno::Reference< css::datatransfer::dnd::XDropTargetListener >& dtl ) override;
+
+  virtual void SAL_CALL removeDropTargetListener( const css::uno::Reference<  css::datatransfer::dnd::XDropTargetListener >& dtl ) override;
+
+  // Default is not active
+  virtual sal_Bool SAL_CALL isActive() override;
+  virtual void SAL_CALL setActive(sal_Bool isActive) override;
+  virtual sal_Int8 SAL_CALL getDefaultActions() override;
+  virtual void SAL_CALL setDefaultActions(sal_Int8 actions) override;
+
+  // XDropTargetDragContext
+  virtual void SAL_CALL acceptDrag(sal_Int8 dragOperation) override;
+  virtual void SAL_CALL rejectDrag() override;
+
+  // XDropTargetDragContext
+  virtual void SAL_CALL acceptDrop(sal_Int8 dropOperation) override;
+  virtual void SAL_CALL rejectDrop() override;
+  virtual void SAL_CALL dropComplete(sal_Bool success) override;
+
+  // XServiceInfo
+  virtual OUString SAL_CALL getImplementationName() override;
+  virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+  virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+  // NSDraggingDestination protocol functions
+  NSDragOperation draggingEntered(id sender);
+  NSDragOperation draggingUpdated(id sender);
+  void draggingExited(id sender);
+  static BOOL prepareForDragOperation();
+  BOOL performDragOperation();
+  void concludeDragOperation(id sender);
+
+  /* If multiple actions are supported by the drag source and
+     the user did not choose a specific action by pressing a
+     modifier key choose a default action to be proposed to
+     the application.
+  */
+  sal_Int8 determineDropAction(sal_Int8 dropActions, id sender) const;
+
+private:
+  void fire_drop(const css::datatransfer::dnd::DropTargetDropEvent& dte);
+  void fire_dragEnter(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee);
+  void fire_dragExit(const css::datatransfer::dnd::DropTargetEvent& dte);
+  void fire_dragOver(const css::datatransfer::dnd::DropTargetDragEvent& dtde);
+  void fire_dropActionChanged(const css::datatransfer::dnd::DropTargetDragEvent& dtde);
+
+private:
+  css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext > mXCurrentDragContext;
+  css::uno::Reference< css::datatransfer::dnd::XDropTargetDropContext > mXCurrentDropContext;
+  css::uno::Reference< css::datatransfer::clipboard::XClipboard > mXCurrentDragClipboard;
+  DataFlavorMapperPtr_t mDataFlavorMapper;
+  id  mView;
+  AquaSalFrame* mpFrame;
+  DropTargetHelper* mDropTargetHelper;
+  bool mbActive;
+  sal_Int8 mDragSourceSupportedActions;
+  sal_Int8 mSelectedDropAction;
+  sal_Int8 mDefaultActions;
+};
+
+#endif // INCLUDED_VCL_OSX_DROPTARGET_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */